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EM3027 Datasheet(PDF) 3 Page - EM Microelectronic - MARIN SA

Part # EM3027
Description  Real Time Clock with I2C or SPI, Crystal Temperature Compensation, Battery Switchover and Trickle Charger
PDF  28 Pages
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Manufacturer  EMMICRO [EM Microelectronic - MARIN SA]
Direct Link  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM3027 Datasheet(HTML) 3 Page - EM Microelectronic - MARIN SA

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EM3027
Copyright
 2013, EM Microelectronic-Marin SA
3027-DS.doc, Version 8.0, 25-Jan-13
3
www.emmicroelectronic.com
1
Packages / Pin Out Configuration
Vcc
SDA
Vss
X1
X2
EM3027
SO8-TSSOP8
VBack
SCL
IRQ/CLKOUT
Pin
Name
Function
1
X1
32.768 kHz crystal input
2
X2
32.768 kHz crystal output
3
VBack
Backup Supply
4
VSS
Ground Supply
5
SDA
Serial Data
6
SCL
Serial Clock
7
IRQ/CLKOUT
Interrupt Request/Clock output
8
VCC
Positive Supply
Table 1
Pin
Name
Function
1
X1
32.768 kHz crystal input
2
X2
32.768 kHz crystal output
3
SI
Serial Data input
4
VReg
Regulated Voltage
– Reserved for
test purpose (This output must be
left unconnected)
5
VBack
Backup Supply
6
INT
Interrupt Request output
(Open Drain active low)
7
VSS
Ground Supply
8
SO
Serial Data output
9
SCK
Serial Clock input
10
CS
Chip Select input
11
IRQ/CLKOUT
Interrupt Request/Clock output
12
VCC
Positive Supply
13
CLKOE
Clock Output Enable
CLKOE = ‘0’ CLKOUT is low
CLKOE = ‘1’ CLKOUT is output
14
NC
Not Connected
Table 2
SCK
CS
Vss
SPI
TSSOP14
SI
EM3027
INT
IRQ/CLKOUT
VCC
CLKOE
NC
X2
VBack
VReg
X1
X2
SDA/SO/SIO
I2C
Vreg
SO



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